dra7xx pci driver broken on dra7xx-evm

Kishon Vijay Abraham I kishon at ti.com
Thu Jan 7 22:07:09 PST 2016


On Friday 08 January 2016 03:29 AM, Tony Lindgren wrote:
> * Suman Anna <s-anna at ti.com> [160107 13:26]:
>> On 01/06/2016 11:17 PM, Kishon Vijay Abraham I wrote:
>>> Hi,
>> + Tero, Tony and linux-omap
>>> On Thursday 07 January 2016 03:15 AM, Richard Cochran wrote:
>>>> The dra7xx-evm box freezes hard at the very first PCI bus access, the
>>>> call to in dra7xx_pcie_readl() in dra7xx_pcie_probe().
>>>> The out-of-tree 3.14.53 TI driver performs a reset via platform data,
>>>> calling omap_device_assert_hardreset() by hook and crook.
>> Yeah, this is the only feasible way and not break multi-arch atm until a
>> reset framework is in place. We have couple of drivers (omap_iommu and
>> wkup_m3_rproc) following this approach.
> Sounds like doing reset with platform data is the way to go until the
> reset controller works.

All right. I'll post the patch to do reset using platform data.


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